the president joining msnbc's chris matthews for a town hall at american university. it's part of hardball's college tour. one day after the president held a youth summit at the white house and addressed the low numbers among that very group head-on. take a look. >> i do remember what it's like being 27 or 28, and aside from the occassional basketball injury, you know, most of the time i kind of felt like i had nothing to worry about. of course, that's what most people think until they have something to worry about. >> so this also comes on the heels of sobering poll numbers from an online harvard university survey showing more than 50% of adult, 18 to 29 disapprove of the affordable care act and more than 50% of respondents in the same age group now disapprove of how the president is doing his job. >> they look at the landscape and they say, well,